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gcc7: Enable arm erratum 843419 on aarch64

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This fix is required for the raspherry pi 3 with glibc 2.27,
otherwise the kernel panics in initrd with:
```
<<< NixOS Stage 1 >>>

loading module dm_mod...
running udev...
kbd_mode: KDSKBMODE: Inappropriate ioctl for device
Gstarting device mapper and LVM...
[    1.969164] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b
[    1.969164]
[    1.978476] CPU: 0 PID: 1 Comm: init Not tainted 4.16.8 #1-NixOS
[    1.984580] Hardware name: Raspberry Pi 3 Model B (DT)
[    1.989801] Call trace:
[    1.992301]  dump_backtrace+0x0/0x1c8
[    1.996025]  show_stack+0x24/0x30
[    1.999396]  dump_stack+0x9c/0xc0
[    2.002766]  panic+0x124/0x294
[    2.005872]  complete_and_exit+0x0/0x30
[    2.009771]  do_group_exit+0x40/0xa8
[    2.013406]  get_signal+0x280/0x5b0
[    2.016954]  do_signal+0x88/0x240
[    2.020325]  do_notify_resume+0xd8/0x130
[    2.024311]  work_pending+0x8/0x10
[    2.027774] SMP: stopping secondary CPUs
[    2.031763] Kernel Offset: disabled
[    2.035308] CPU features: 0x0802004
[    2.038850] Memory Limit: none
[    2.041963] ---[ end Kernel panic - not syncing: Attempted to kill
init! exitcode=0x0000000b
[    2.041963]
[    2.865264] random: crng init done
```
Suse has done the same to circumvent crashes with hostname resolving in
glibc 2.27 on aarch64.
This commit is contained in:
Bastian Köcher 2018-05-15 23:20:31 +02:00 committed by Tuomas Tynkkynen
parent 0edbc54b4f
commit 780592ca6e
1 changed files with 1 additions and 0 deletions
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1
pkgs/development/compilers/gcc/7/default.nix
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@ -381,6 +381,7 @@ stdenv.mkDerivation ({
"--with-gnu-as" "--without-gnu-ld"
]
++ optional (targetPlatform == hostPlatform && targetPlatform.libc == "musl") "--disable-libsanitizer"
++ optional (targetPlatform.isAarch64) "--enable-fix-cortex-a53-843419"
;
targetConfig = if targetPlatform != hostPlatform then targetPlatform.config else null;